Thread: hp-41cx / NoV-64d / Hepax XF multi-function

[Ángel Martin]

I can confirm that the XF and HEPAX multi-functions are indeed compatible with 41CX models, so this problem you're experiencing looks like an issue in the initialization of the HEPAX file system, or maybe an issue with the NoV64 configuration itself.

Also, HEPAX 000 is the header for that group, so strictly speaking is a "NONEXISTING" situation.
XF 000 on the other hand would be ALENG, so it should work just fine (it does on the HEPAX original, and the CL, DM-41X)